pavone@794: #include <sys/types.h>
pavone@794: #include <sys/stat.h>
pavone@794: #include <fcntl.h>
pavone@794: #include <unistd.h>
pavone@794: #include <stdlib.h>
pavone@794: #include "terminal.h"
pavone@794: 
pavone@794: char buf[4096];
pavone@794: 
pavone@794: void copy_data(int to, int from)
pavone@794: {
pavone@794: 	ssize_t bytes = read(from, buf, sizeof(buf));
pavone@794: 	while (bytes > 0)
pavone@794: 	{
pavone@794: 		ssize_t written = write(to, buf, bytes);
pavone@794: 		if (written == -1) {
pavone@794: 			exit(1);
pavone@794: 		}
pavone@794: 		bytes -= written;
pavone@794: 	}
pavone@794: }
pavone@794: 
pavone@794: int main(int argc, char **argv)
pavone@794: {
pavone@794: 	//these will block so order is important
pavone@794: 	int input_fd = open(INPUT_PATH, O_WRONLY);
pavone@794: 	int output_fd = open(OUTPUT_PATH, O_RDONLY);
pavone@794: 	fd_set read_fds;
pavone@794: 	FD_ZERO(&read_fds);
pavone@794: 	for (;;)
pavone@794: 	{
pavone@794: 		FD_SET(STDIN_FILENO, &read_fds);
pavone@794: 		FD_SET(output_fd, &read_fds);
pavone@794: 		select(output_fd+1, &read_fds, NULL, NULL, NULL);
pavone@794: 		
pavone@794: 		if (FD_ISSET(STDIN_FILENO, &read_fds)) {
pavone@794: 			copy_data(input_fd, STDIN_FILENO);
pavone@794: 		}
pavone@794: 		if (FD_ISSET(output_fd, &read_fds)) {
pavone@794: 			copy_data(STDOUT_FILENO, output_fd);
pavone@794: 		}
pavone@794: 	}
pavone@794: 	return 0;
pavone@794: }